20 students were asked about their favorite college class the results are listed below let a equal astronomy be equal biology C equal chemistry and equal mathematic and E equal​

Point $(x,y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.

Which of the following are parts of a sphere

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank